<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h1>{{msg}}</h1>
        <span v-if="type==='A'">
            A
        </span>
        <span v-else-if="type==='B'">
            B
        </span>
        <span v-else>
            C
        </span>
    </div>
    <script src="./node_modules/vue/dist/vue.js"></script>
    <script>
        let vm=new Vue({
            el:"#app",
            data:{
                mag:"/(ㄒoㄒ)/~~",
                type:"d"
            }




        })







    </script>

</body>
</html>